The world's largest telescope is almost as big as your house—and it’s unlocking the universe’s biggest mysteries.

The Keck telescopes were built over three decades ago, and many of the parts, including the problematic servo amps, are no longer made. Accumulated wear and tear from constant use and repeated ...

Astronomers have confirmed the shape of the nebula is an interaction with a stellar twin – a binary companion in orbit ...

In this paper we report the initial results from the first of these AO systems, now coming on line on the 10 m diameter Keck II Telescope. The results include the highest angular resolution images ...